Dave Cook, our dear friend and long-time Board member of the Blue Hill Observatory and Science Center, most regrettably passed away in 2020 at the age of 82. He was a brilliant engineer, avid skier and sailor, MIT and Harvard Business School graduate, and dedicated philanthropist. He gave his time and expertise happily to further […]
Our immersive summer meteorology workshop is for students who have an interest in the weather and wish to explore careers in meteorology and atmospheric science with professional meteorologists and scientists. Participants in our week-long immersion workshop will: Receive inspirational guidance from Tim Kelley, NBC Boston/NECN meteorologist, through discussions on his insights and passions for weather. […]
Blue Hill Observatory January 2021 Summary: January was generally warmer, drier and less snowy than average. The 24-hour adjusted mean temperature for the month of 28.8 deg F was 2.9 degrees warmer than the 1891-2020 130-year average for January, and it was 2.6 degrees warmer than the 1981-2010 30-year average. The average maximum temperature of […]
This report is an updated summary of the extensive annual and seasonal climate records of the Blue Hill Observatory that also documents the changes that have occurred in several key parameters over the entire period of record. This document is also available as a downloadable PDF file.
Blue Hill Observatory has been watching the weather since 1885, and Boston College’s Weston Observatory has been watching the Earth quake since 1931. We are now joining forces to monitor the Earth with a recently installed seismograph at Blue Hill. In collaboration with Dr. Alan Kafka, Director of Weston Observatory, Blue Hill purchased and installed […]
Imagine, Blue Hill Observatory’s first weather observations were made on February 1, 1885 at the top of Great Blue Hill— from that day on we have maintained an unbroken recording of the weather! Considered a remarkable resource, Blue Hill Observatory’s data is the most homogeneous climate record in North America and is a benchmark station […]
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January 2021 Summary – Warmer and Drier than Average
Blue Hill Observatory January 2021 Summary: January was generally warmer, drier and less snowy than average. The 24-hour adjusted mean temperature for the month of 28.8 deg F was 2.9 degrees warmer than the 1891-2020 130-year average for January, and it was 2.6 degrees warmer than the 1981-2010 30-year average. The average maximum temperature of […]
2020 Summary – Second Warmest Year on Record
The year 2020 ended as the second warmest on record with a 24-hour adjusted mean temperature of 51.3F, which was 3.7F warmer than the 120-year (1891-2010) long-term mean and 2.4F above the 30-year (1981-2010) normal. The only warmer year was 2012 with a mean of 51.7F. The annual average maximum temperature of 60.4F was 3.5F […]
State of the Climate at Blue Hill Observatory: 2020
This report is an updated summary of the extensive annual and seasonal climate records of the Blue Hill Observatory that also documents the changes that have occurred in several key parameters over the entire period of record. This document is also available as a downloadable PDF file.
Small Local Earthquake Observed on November 8th
Shortly after 9 AM EST on Sunday, November 8th, 2020 a small 3.6 magnitude earthquake shook parts of southeastern New England. The epicenter was about 6.2 miles below ground under Buzzard’s Bay and just offshore of Bliss Corner, in Dartmouth, Massachusetts. The earthquake was recorded on the seismographs at the Blue Hill Observatory and other […]
November Record Warmth at Blue Hill
A period of unseasonably warm weather that arrived on Thursday, November 5th has brought several daily record high temperatures to the Observatory. The new records observed through November 11th are: 11/06/2020: DAILY RECORD HIGH MAXIMUM TEMPERATURE OF 72F, BREAKS PREVIOUS RECORD OF 71F SET IN 1959 AND 201511/07/2020: DAILY RECORD HIGH MAXIMUM TEMPERATURE OF 75F, TIES PREVIOUS […]
Record Snowfall at Blue Hill on October 30th
The remnants of Hurricane Zeta, another developing coastal storm behind it, and a very cold air mass for October have combined to provide a period of heavy rain on Thursday, October 29th, into the following night, which changed to snow early Friday morning. A total of 6.5 inches of snow was measured on the summit […]
Observatory and Gift Shop Reopen
The Blue Hill Observatory and Gift Shop are now open to the public with restrictions from Friday through Monday 10 A.M. – 4 P.M. and every day by appointment from 8:30 A.M. to 5:30 P.M. Please note, social distancing restrictions are being followed and face masks are required inside the Observatory. Group sizes are limited […]
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